Fluid reservoir for a spray gun



FIG. 1 is a perspective view of a fluid reservoir for a spray gunshowing my new design, the broken line drawing of a spray gun is forillustrative purposes only and forms no part of the claimed design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan vew thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is an opposite side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for a fluid reservoir for a spray gun, as shownand described.